Clinical differences between alcoholic liver disease and nonalcoholic fatty liver disease

Table 1 Epidemiology of alcoholic liver disease and nonalcoholic fatty liver disease

	ALD	NAFLD	Ref.
Prevalence rate (overall)	Unclear	12.9%-46.0%	[8-12]
	(rates may reflect geographical differences in the amount of alcohol intake)
Prevalence rate (China)	4.50%	15.0%	[14]
Trend (Japan)		Increasing (12.6% in 1989; 28.4% in 2000)	[8]
Peak age	45-69 yr (United States)	40-49 yr in males; 60-69 yr in females (Japan)	[12,15]
		60-69 yr (China)	[16]
Gender	Male dominant	Male dominant	[11,12,18-20]
Ethnicity	South American males > Afro-Caribbean males	Hispanics > Whites > Blacks	[21,22]

ALD: Alcoholic liver disease; NAFLD: Nonalcoholic fatty liver disease.